SMT Power Inductor
SILM8040 Type
Features
RoHS compliant.
Low profile (4.0mm max. Height), SMD type.
Self-leads, suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Ideal for power source circuits, DC-DC converter, DC-AC inverters
inductor applications.
In addition to the standard versions shown here, customized inductors
are available to meet your exact requirements.
Mechanical Dimension:
C
A
Electrical Characteristics:
L
PART NO.
(uH)
SILM8040 - 1R5
1.5
SILM8040 - 2R2
2.2
SILM8040 - 3R3
3.3
SILM8040 - 4R4
4.4
SILM8040 - 5R2
5.2
SILM8040 - 100
10.0
SILM8040 - 150
15.0
SILM8040 - 220
22.0
SILM8040 - 330
33.0
SILM8040 - 470
47.0
SILM8040 - 680
68.0
SILM8040 - 101
100.0
1. Tolerance of inductance : 1.5~100uH 3 0%.
2. Irated is the DC current which cause the inductance drop 35% of its nominal inductance without current
and the surface temperature of the part increase less than 45 C.
3. Operating temperature: -20 C to 105 C (including self-temperature rise).
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
B
O
25
C
: 100KHz, 0.1V
2
2
1
DCR
Isat
Irated
(m ) MAX
(Adc)
13.8
7.00
18.3
6.50
20.6
5.00
25.7
4.60
30.0
4.20
47.0
3.00
71.3
2.75
102.0
2.30
143.0
1.75
189.0
1.52
260.0
1.30
361.0
1.05
o
o
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
RECOMMENDED PAD PA TTERNS
3
(Adc)
100
9.00
7.50
6.00
6.00
4.50
4.00
3.50
10
3.00
2.50
2.00
2.00
1.30
1
0
0
o
59
UNIT:mm/inch
A = 8.4 / 0.331 Max.
B = 4.2 / 0.165 Max.
C = 8.4 / 0.331 Max.
D = 6.3
0.5 / 0.248
0.020
E = 3.0
0.5/ 0.118 0.020
F = 9.5
0.5 / 0.374
0.020
1
10
100
DC BAIS (A)
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